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发明名称
Hand crutch
摘要
申请公布号
US2189429(A)
申请公布日期
1940.02.06
申请号
US19380246091
申请日期
1938.12.16
申请人
LUNDQUIST LUDWIG E
发明人
LUNDQUIST LUDWIG E.
分类号
A61H3/02
主分类号
A61H3/02
代理机构
代理人
主权项
地址
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